Home / 12,613,231.28-18,850,728.24-9,208,687.34

Finding the Fourth Proportional to 12,613,231.28, 18,850,728.24 and 9,208,687.34

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Solution

The fourth proportional to 12,613,231.28, 18,850,728.24 and 9,208,687.34 is: 13,762,568.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,613,231.28 : 18,850,728.24 = 9,208,687.34 : x
  2. Step 2: Convert to fraction form
    12,613,231.28/18,850,728.24 = 9,208,687.34/x
  3. Step 3: Cross multiply
    12,613,231.28x = 18,850,728.24 × 9,208,687.34
  4. Step 4: Simplify right side
    12,613,231.28x = 173,590,462,447,425.03
  5. Step 5: Solve for x
    x = 173,590,462,447,425.03/12,613,231.28
  6. Step 6: Final answer
    x = 13,762,568.73

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.